Documented Differences

Gallery

Comparisons and images on this site reflect differences from a standard 1985 GSX-R750. The photographic differences shown on this website are just the most prominent out of over 131+ that have been identified. For the full list of all documented differences please download the full documentation. The original Suzuki parts catalogue for the GSX-R75O is also available: download the 1985 parts manual.

Expand image to view parts book page citation.

Side Holes in Cast Rear Engine Mounts

Prototype

FEATURE 01

Side Holes in Cast Rear Engine Mounts

01

Steering Head

Prototype

FEATURE 02

Steering Head

02

Major Crossbeam Missing in Front of Airbox

Prototype

FEATURE 03

Major Crossbeam Missing in Front of Airbox

03

Curved Crossbeam Missing — Inner Rear Fender

Prototype

FEATURE 04

Curved Crossbeam Missing — Inner Rear Fender

04

Beam Casting Internal Webbing

Prototype

FEATURE 05

Beam Casting Internal Webbing

05

No Aluminium Support Plate Under Steering Head

Prototype

FEATURE 06

No Aluminium Support Plate Under Steering Head

06

No Aluminium Plate — Shock-Linkage Mount

Prototype

FEATURE 07

No Aluminium Plate — Shock-Linkage Mount

07

Front Centre Casting Below Steering Head

Prototype

FEATURE 08

Front Centre Casting Below Steering Head

08

Cast Aluminium Frame Thickness

FEATURE 09

Cast Aluminium Frame Thickness

09

Rear Engine Mount Brackets / Triangular Opening

Prototype

FEATURE 10

Rear Engine Mount Brackets / Triangular Opening

10

Headlight Frame Bracket

Prototype

FEATURE 11

Headlight Frame Bracket

11

Engine Number Pad Location

Prototype

FEATURE 12

Engine Number Pad Location

12

Top Alternator Mount Supporting Fin

Prototype

FEATURE 13

Top Alternator Mount Supporting Fin

13

Starter Sprocket Entrance Web Fin

Prototype

FEATURE 14

Starter Sprocket Entrance Web Fin

14

Output Shaft Sprocket / Threaded End

Prototype

FEATURE 15

Output Shaft Sprocket / Threaded End

15

Threaded Hole Missing — Clutch Cover

Prototype

FEATURE 16

Threaded Hole Missing — Clutch Cover

16

Oil Pickup Channel

Prototype

FEATURE 17

Oil Pickup Channel

17

Split Front Oil Lines

Prototype

FEATURE 18

Split Front Oil Lines

18

Burlington Tridon Canada Clamp

Prototype

FEATURE 19

Burlington Tridon Canada Clamp

19

Prototype Rear Oil Line / Rough Finish

Prototype

FEATURE 20

Prototype Rear Oil Line / Rough Finish

20

Oil Passage to Oil Pump / Filter

Prototype

FEATURE 21

Oil Passage to Oil Pump / Filter

21

Oil Strainer Housing / Gasket

Prototype

FEATURE 22

Oil Strainer Housing / Gasket

22

Oil Pump Housing — Rough Finish

Prototype

FEATURE 23

Oil Pump Housing — Rough Finish

23

Japanese Writing Inside Clutch Housing

Prototype

FEATURE 24

Japanese Writing Inside Clutch Housing

24

Clutch Cover Difference

Prototype

FEATURE 25

Clutch Cover Difference

25

Starter Clutch Cover Difference

Prototype

FEATURE 26

Starter Clutch Cover Difference

26

Alternator

Prototype

FEATURE 27

Alternator

27

Timing Chain Adjuster Housing

Prototype

FEATURE 28

Timing Chain Adjuster Housing

28

Cylinder Head Casting / Knock-Off Channel

Prototype

FEATURE 29

Cylinder Head Casting / Knock-Off Channel

29

Cylinder Head Perimeter Wall Thickness

Prototype

FEATURE 30

Cylinder Head Perimeter Wall Thickness

30

Internal Engine Case Connecting Braces

Prototype

FEATURE 31

Internal Engine Case Connecting Braces

31

Conrod End Caps

Prototype

FEATURE 32

Conrod End Caps

32

Pistons

Prototype

FEATURE 33

Pistons

33

Conrod Design

Prototype

FEATURE 34

Conrod Design

34

Shifter Drum Slotted Hole

Prototype

FEATURE 35

Shifter Drum Slotted Hole

35

Rear Brake Master Cylinder

Prototype

FEATURE 36

Rear Brake Master Cylinder

36

Front Brake-Line Splitter

Prototype

FEATURE 37

Front Brake-Line Splitter

37

Tachometer Idiot-Light Location

Prototype

FEATURE 38

Tachometer Idiot-Light Location

38

Chain Guard Internal Riveted Bracket

FEATURE 39

Chain Guard Internal Riveted Bracket

39

Airbox Mounting Tabs

FEATURE 40

Airbox Mounting Tabs

40

Intake Manifolds

Prototype

FEATURE 41

Intake Manifolds

41

Rear Peg & Exhaust Carrier Plates

Prototype

FEATURE 42

Rear Peg & Exhaust Carrier Plates

42

Bodywork Thickness

FEATURE 43

Bodywork Thickness

43

Lower Keel Front Missing Opening

FEATURE 44

Lower Keel Front Missing Opening

44

Fairing Side Pieces — Narrower Openings

Prototype

FEATURE 45

Fairing Side Pieces — Narrower Openings

45

Actuation Sprocket Shaft

Prototype

FEATURE 46

Actuation Sprocket Shaft

46